Key result
Bioprosthetic AVR is linked to similar mortality versus mechanical valves in patients aged 50-65.
Why the study?
While guidelines for mechanical versus bioprosthetic valve choice are well established for patients aged <50 and >65 years, the trends and implications in patients aged 50 to 65 years needed investigation.
Does the use of bioprosthetic valves compared to mechanical valves affect mortality and costs in patients aged 50 to 65 years undergoing isolated aortic valve replacement?
Observational (n=3,690)
Yes
Does the use of bioprosthetic valves compared to mechanical valves affect mortality and costs in patients aged 50 to 65 years undergoing isolated aortic valve replacement?
Absolute Event Rate: 2.36% vs 2.2%
The use of bioprosthetic valves for aortic valve replacement in patients aged 50-65 years has significantly increased over a decade, yielding similar postoperative mortality to mechanical valves despite rising costs.
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Similar mortality with rising bioprosthetic use; leaves open durability, reintervention, and cost questions in this age group.
Quader et al. (2022) conducted an observational in isolated aortic valve replacement (n=3,690). Bioprosthetic valve vs. Mechanical valve was evaluated on Mortality. Bioprosthetic valve use for AVR in patients aged 50-65 years increased from 39.6% to 76.8% over a decade, with similar mortality compared to mechanical valves (2.36% vs 2.2%).
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